The podzolization process. A review

This paper reviews the major mechanisms proposed to explain podzolization. These include the production of organic acids that form soluble complexes with aluminium/iron thereby enhancing weathering, followed by illuviation by precipitation/adsorption processes occurring at greater depth. Precipitati...

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Bibliographic Details
Published in:Geoderma 2000-02, Vol.94 (2), p.91-107
Main Authors: Lundström, U.S, van Breemen, N, Bain, D
Format: Article
Language:English
Subjects:
Bodemkunde (algemeen)
bodemvorming
coniferous forest soil
eluvial horizon
illuvial horizon
podzol
podzolgronden
podzolic soils
podzolisatie
podzolization
soil formation
Soil Science (General)
spodosol
weathering
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Summary:This paper reviews the major mechanisms proposed to explain podzolization. These include the production of organic acids that form soluble complexes with aluminium/iron thereby enhancing weathering, followed by illuviation by precipitation/adsorption processes occurring at greater depth. Precipitation of aluminium and iron is explained by decreasing solubility of increasingly metal-rich complexes, or by microbial degradation of the organic ligand. We also discuss proposed role of inorganic hydroxy-aluminium–silicate sols in podzolization. The paper is introductory to a multidisciplinary study of podzolization performed in the Nordic Countries presented in this volume.
ISSN:0016-7061
1872-6259
DOI:10.1016/S0016-7061(99)00036-1